*SUPPORT*
IN: kiki fep OUT: BLUE BLUE
IN: blicket wif fep OUT: PURPLE RED RED
IN: blicket OUT: PURPLE
IN: zup kiki OUT: GREEN BLUE
IN: kiki dax wif fep OUT: RED RED BLUE
IN: zup OUT: GREEN
IN: wif fep OUT: RED RED
IN: wif dax zup wif fep OUT: GREEN RED RED RED
IN: blicket fep OUT: PURPLE PURPLE
IN: wif blicket kiki fep tufa OUT: RED PURPLE BLUE BLUE RED PURPLE BLUE BLUE
IN: kiki fep tufa dax kiki dax blicket tufa OUT: PURPLE PURPLE BLUE BLUE BLUE BLUE BLUE
IN: wif wif fep OUT: RED RED RED
IN: wif kiki OUT: RED BLUE
IN: blicket wif tufa OUT: PURPLE RED PURPLE RED

*QUERY*
IN: zup fep tufa tufa OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: kiki dax wif OUT: RED BLUE
IN: zup fep tufa OUT: GREEN GREEN GREEN GREEN
IN: blicket kiki kiki OUT: PURPLE BLUE BLUE
IN: wif blicket dax zup zup wif OUT: GREEN GREEN RED RED PURPLE
IN: zup fep OUT: GREEN GREEN
IN: wif dax kiki dax blicket OUT: PURPLE BLUE RED
IN: kiki OUT: BLUE
IN: kiki zup fep tufa OUT: BLUE GREEN GREEN BLUE GREEN GREEN
IN: blicket blicket OUT: PURPLE PURPLE

*GRAMMAR*
kiki -> BLUE 
 wif -> RED 
 blicket -> PURPLE 
 zup -> GREEN 
 u1 fep -> [u1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 